Valley Instrument Co., INC.
491 Clover Mill Rd, Exton, PA 19341
Operating signal within 12 months from two or more independent sources.
What they make
Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables334513- bio reactor control systems
- PLC solutions
- pharmaceutical
- biotechnology applications
- documentation
- testing
- installation
- programming
- calibration
- validation
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Metropolitan Communications, INC. | Exton | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511 | ACTIVE | 1.2 KM |
| Dgh Technology INC. | Exton | Electromedical and Electrotherapeutic Apparatus Manufacturing 334510 | ACTIVE | 3.3 KM |
| Blue Avionics INC | Exton | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511 | ACTIVE | 5.1 KM |
| Bender Electronics, Incorporated | Exton | Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals 334515 | ACTIVE | 5.4 KM |
| Microwave Photonic Systems INC | West Chester | Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing 334220 | ACTIVE | 4.7 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
2 sources hold this plant, and 8 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- SAM.gov entity registrationOPERATINGRecord XMEXKNG2XD85 · first seen MAY 2026 · last seen MAY 2026
IN CHESTER COUNTY23 other plants share this one’s industry (Navigational, Measuring, Electromedical, and Control Instruments Manufacturing, NAICS 3345); 11 of them have a size band on record.
What each source says
Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.
- Name
- SAM.gov: VALLEY INSTRUMENT CO., INC. · MAY 2026
- Street address
- SAM.gov: 491 CLOVER MILL RD · MAY 2026
- City
- SAM.gov: EXTON · MAY 2026
- State
- SAM.gov: PA · MAY 2026
- Coordinates
- Census geocoder: 40.016810857738,-75.642695734953 · JUL 2026
- Website
- SAM.gov: www.valley-instrument.com · MAY 2026
- CAGE code
- SAM.gov: 3S710 · MAY 2026
- SAM registration expires
- SAM.gov: 2027-05-15 · MAY 2026


